IROGRAN® A 70 E 4675 by Huntsman is a polyester-based Thermoplastic polyurethane (TPU) grade by Huntsman. It is plasticizer-free and provides excellent multilayer bonding, excellent surface definition and high melt stability. Exhibits high hydrolysis-, abrasion-, robust processing, weather-, chemical and high energy radiation resistance. Offers high elasticity across the entire hardness range, good flexibility over a wide temperature range, excellent low temperature and impact strength, pleasant tactile properties, high elongation and tensile strength, shows resilience to oils, greases and numerous solvents, ease of coloring, good crystallinity, good compression set, high transparency, short cycle times and recyclability. It is suitable for processing by extrusion and injection molding. Recommended for thick and thin wall technical parts. Potential applications include wires and cables, automotive components, hoses and tubes, machinery belts and profiles, technical parts, films and sheets, textile lamination and compounding. IROGRAN® A 70 E 4675 by Huntsman is a RoHS and REACH compliant grade.
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IROGRAN® A 70 E 4675 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 100% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 300% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Bayshore Rebound Resilience | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore D | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Abrasion | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Softening Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Softening Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt-Volume Flow Rate | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
IROGRAN® A 70 E 4675 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Barrel Temperature | Visible After Login | Visible After Login | |
| Feed Zone Temperature | Visible After Login | Visible After Login | |
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| Nozzle Temperature | Visible After Login | Visible After Login | |





